test_variant_files = [
  'variant/test_typed_variant.cpp',
  'variant/test_variant_basic.cpp',
  'variant/test_variant_bool_operator.cpp',
  'variant/test_variant_comparison.cpp',
  'variant/test_variant_containers.cpp',
  'variant/test_variant_equality.cpp',
  'variant/test_variant_operations.cpp',
  'variant/test_variant_standard_containers.cpp',
  'variant/test_variant_visitor.cpp',
  'variant/test_variant_io.cpp',
  'variant/test_variant_operations.cpp',
  'variant/test_variant_extension.cpp',
]